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flora-6: init list.pub.solar mail DNS records #2

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b12f merged 4 commits from dns/add-list-mail-records into main 2023-02-24 19:49:05 +00:00
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teutat3s commented 2023-02-02 21:52:33 +00:00
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  • TXT spf record
  • A record because mail servers don't like CNAME
  • MX record for subdomain list.pub.solar
- TXT spf record - A record because mail servers don't like CNAME - MX record for subdomain list.pub.solar
teutat3s added 1 commit 2023-02-02 21:52:33 +00:00 
- TXT spf record
- A record because mail servers don't like CNAME
- MX record for subdomain list.pub.solar
teutat3s added 1 commit 2023-02-03 12:13:16 +00:00 
Our _dmarc TXT record by default protects all subdomains, so an
adversary can't send mails on behalf of any subdomains (p=reject, p
stands for policy). We add a _dmarc.list TXT record with the same policy
to allow sending mails via list.pub.solar's postfix.
See https://dmarcly.com/blog/how-dmarc-works-with-subdomains-dmarc-sp-tag
for more context
teutat3s added 1 commit 2023-02-08 11:57:57 +00:00
teutat3s added 1 commit 2023-02-09 11:14:05 +00:00 
for pub.solar, allowing flora-6 to send mails on behalf of
admins@pub.solar
b12f approved these changes 2023-02-24 19:48:58 +00:00
b12f merged commit 9731b69cbb into main 2023-02-24 19:49:05 +00:00
b12f deleted branch dns/add-list-mail-records 2023-02-24 19:49:05 +00:00
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Reference: pub-solar/infra-vintage#2
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